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How to Work with EXRs in DeepEditor

Learn how to upload, export and download EXRs.

Overall Requirements
Uploading EXRs
Exporting and Downloading EXRs
Troubleshooting EXR Issues

Overall Requirements

  • You will need to have the Signiant app to be able to upload and download EXR sequences.

Uploading EXRs

Requirements

  • Timecode: Each EXR frame must have timecode metadata. If the sequence lacks timecode metadata, it will fail media validation. Frames with duplicated timecodes are also not allowed and will cause a failure.
  • Naming: Each frame’s filename must include the frame number before the file extension, e.g., my_exr_sequence_0000.exr.
  • Bit Depth: Both 16-bit and 32-bit float formats are accepted.
  • Compression: All EXR compression formats are supported.
  • Color Space and Frame Rate: After the upload is complete, you must manually set the color space and frame rate of the media within DeepEditor.

Step-by-Step Instructions

NOTE: The first time you upload an EXR sequence, you will be prompted to download the Signiant app. This app is required to upload folders via Media Shuttle.

  1. In the Shot UI, click Add Source, Add Driving Data, or Add Training Data (depending on the media type you want to upload).
  2. In the dialog that opens, select the via Media Shuttle tab, then click Upload via Media Shuttle.
  3. You will be redirected to the Media Shuttle portal page.
  4. Add your folder containing the EXR sequence (always upload sequences as folders, instead of frames).
  5. Note that only one sequence can be uploaded at a time.
  6. Click the Submit button to begin the upload process.
  7. Once the upload is complete, close the Media Shuttle tab and return to DeepEditor.
  8. Set the color space and frame rate of the uploaded media.

Exporting and Downloading EXRs

Requirements

  • Source Material: To export an EXR sequence, you must have a Theatrical quality Vub.
  • Timecode, Naming, Compression: The exported EXRs will retain the timecode and metadata from the source sequence.
  • Color Space and Frame Rate: The exported EXRs will retain the color space and frame rate from the source sequence.

Step-by-Step Instructions

  1. By default, if you uploaded an EXR sequence as your source and generated a Theatrical Vub, an automated EXR export will be generated once your Vub is complete.
  2. After refining your vub, you can export in one of two ways:
    • On the Refinement page press Export Latest Render

  • On the Vubs tab, select the relevant vub, click Create Export.

3. Choose your preferred export options:
  • Video
  • EXRs
  • VFX Turnover Package

4. The first time you initiate the download, the dialog may disappear while the export package is being generated. Simply press Download and Proceed to Media Shuttle again. You will then be taken to the Media Shuttle portal page to download your EXR output.

Troubleshooting EXR Issues

  • Missing Timecode: If your sequence lacks timecode metadata, it will fail media validation. Ensure your frames are properly exported from your DCC or pipeline tool.
  • Duplicate Timecode: Duplicate timecode will fail media validation. Ensure your frames have unique timecodes.
  • Naming Conventions: Always include frame numbers in the filenames before the file extension to ensure proper sequence recognition. Failing to do so, will result in the EXR sequence failing media validation.
  • Folder Structure: Only upload entire folders containing the sequence. Do not upload individual frames separately.
  • Signiant App Issues: If you encounter issues uploading or downloading via Media Shuttle, ensure you have installed the latest version of the Signiant app and that it is running correctly.